The Hard Reset / Factory Reset Operation is useful in many cases, We mentioned some of them below:

- After installing bad or unsupported application into your Samsung mobile phone which causes your phone to be frozen.- Your Samsung mobile phone doesn't respond to any order after booting because of some software errors.- Forgotten pattern lock in Samsung Android mobile phones.- Forgotten user code.- Forgotten phone code.- Before or after installing new firmware updates into your device.- You want to delete all your personal information from your device in case you want to sell it.- You Bought a second hand device and you want to wipe all stored data from it.